ISO 2830:1973 天然和人造冰晶石.铝含量的测定.原子吸收光度法

标准编号：ISO 2830:1973

中文名称：天然和人造冰晶石.铝含量的测定.原子吸收光度法

英文名称：Cryolite, natural and artificial — Determination of aluminium content — Atomic absorption method

发布日期：1973-12

标准范围

适用于具有正常成分且NaF/AlF3摩尔比约为3的产品。在浓硫酸中溶解供试品并消除氟化氢。用盐酸和水处理。将溶液雾化到乙炔中测量铝空心阴极灯发出的309.3 nm线的吸收。也得到了IUPAC的批准。

Applicable to products having a normal composition for which the molar ratio NaF/AlF3 is equal to about 3. Dissolution of a test portion in concentrated suphuric acid and elimination of hydrogen fluoride. Treatment with hydrochloric acid and water. Atomization of the solution into an acetylene measurement of the absorption of the 309.3 nm line emitted by an aluminium hollow cathode lamp. Has also been approved by the IUPAC.

标准预览图